package org.jetnuke.modules.pictures;

import org.apache.log4j.Logger;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.jforum.dao.UserDAO;
import net.jforum.entities.User;

import org.apache.velocity.VelocityContext;
import org.jetnuke.common.ActionForward;
import org.jetnuke.common.IAction;
import org.jetnuke.common.IAdminInfo;
import org.jetnuke.common.IModuleInfo;
import org.jetnuke.common.IUserInfo;
import org.jetnuke.dao.DataAccessDriver;
import org.jetnuke.entities.Picture;
import org.jetnuke.entities.PictureComment;
import org.jetnuke.modules.pictures.utils.PictureUtils;

public class ShowMedium implements IAction {
	/**
	 * Logger for this class
	 */
	private static final Logger logger = Logger.getLogger(ShowMedium.class);

	int pid;

	public void setPid(int pid) {
		this.pid = pid;
	}

	public ActionForward exec(HttpServletRequest request,
			HttpServletResponse response, VelocityContext vc, IModuleInfo info,
			String op, IUserInfo ui, IAdminInfo ai) throws Exception {
		if (logger.isDebugEnabled()) {
			logger
					.debug("exec(HttpServletRequest, HttpServletResponse, VelocityContext, IModuleInfo, String, IUserInfo, IAdminInfo) - start"); //$NON-NLS-1$
		}

		Picture picture = DataAccessDriver.getInst().newPictureDAO()
				.retrieveByPK(pid);
		vc.put("picture", picture);
		if (ui != null && ui.getID() == picture.getUID()) {
			vc.put("myPictures", Boolean.TRUE);
		}
		if (picture.getMEDIUMNAME() != null) {
			vc.put("show_normal_link", Boolean.TRUE);
		}

		int uid = picture.getUID();
		PictureUtils.manageStyleAndBlocks(vc, uid);

		List comments = DataAccessDriver.getInst().newPictureCommentDAO()
				.selectByPicture(pid);
		vc.put("comments", comments);
		Map userMap = new HashMap();
		UserDAO um = DataAccessDriver.getInst().newUserDAO();
		for (int i = 0; i < comments.size(); i++) {
			PictureComment pc = (PictureComment) comments.get(i);
			int author = pc.getMSG_AUTHOR();

			Integer itn = new Integer(author);
			if (!userMap.containsKey(itn)) {
				User user2 = um.selectById(author);
				userMap.put(itn, user2);
			}
		}
		vc.put("userMap", userMap);
		if (picture.getVOTES() > 0) {
			double average = ((double) picture.getPIC_RATING())
					/ ((double) picture.getVOTES());
			vc.put("average", new Double(average));
			int approx = (int) (average + 0.5d);
			vc.put("approx", new Integer(approx));
		} else {
			vc.put("approx", new Integer(0));
			vc.put("average", new Double(0));
		}
		ActionForward returnActionForward = new ActionForward(op, info);
		if (logger.isDebugEnabled()) {
			logger
					.debug("exec(HttpServletRequest, HttpServletResponse, VelocityContext, IModuleInfo, String, IUserInfo, IAdminInfo) - end"); //$NON-NLS-1$
		}
		return returnActionForward;
	}

}
